Epidemiology of Shiga toxin-producing<i>Escherichia coli</i>O157 in very young calves in the North Island of New Zealand

Abstract

Healthy bobby calves are an asymptomatic reservoir of E. coli O157 in New Zealand and may represent an important source of infection for humans. Carriage was not associated with concentration of IgG in serum, carcass weight or gender.